RT Journal Article SR Electronic T1 Biofeedback treatment of blepharospasm with spasmodic torticollis JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 48 OP 49 VO 119 IS 1 A1 Roxanas, M. R. A1 Thomas, M. R. A1 Rapp, M. S. YR 1978 UL http://www.cmaj.ca/content/119/1/48.abstract